00282nam a2200109Ia 450000500170000000800410001708200180005810000250007624500300010126000300013130000110016120260205055653.0260111s9999||||xx |||||||||||||| ||und||  a305.56  Si64B  aSinha , Sushil kumar 0aBackward classes in india  aNew delhibRaj pub.c2005  a294 p.